Superstructure Type | Channel span: Concrete deck on eight welded steel girders. Other spans: Concrete deck on eleven prestressed T-girders. 4 intermediate expansion joints. |
Substructure Type | Circular concrete columns interconnected with rectangular concrete struts. Columns and struts were seismically stengthened with steel casing during the retrofit. 2 columns per bent. |
Foundation Type | Bents 6 to 29 and Abutment 30 are supported on concrete piles. Bents 2 to 5 are supported on spread footings. Abutment 1 is supported on steel H-piles. |
Remarks | This bridge was instrumented under the interagency agreement between Caltrans and DOC. The bridge was retrofitted in 1997. |